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2005 GMC Sierra 2500 HD 6.0L no communicationThis is a fun one. I was summoned to Auto-Zone by the
manager. His brother-in-law had an issue with his '05 GMC.
The vehicle would not communicate with their scan tool, and
many items in the truck did not work: A/C, Power windows,
and the Radio to name a few. ...

2005 Cadillac SRX 4.6L No StartVIN: 1GYEE63AX5thank you everyone the problem was with the key, the key went bad i call the owener and told him to bring the spare set of keys. he then said that he had droped the set he gave me in water.i guess it got the chip wet and it just quit working. put the spare ke...

2003 Chevrolet Malibu LS 3.1L No StartVIN: 1G1NE52J83installed 22k ohm resistor in place of key sensor. works great.
installed resistor at bcm as it was more accesable, white wire(B4)to yellow wire(b6) thanks for the help and info.
... Trouble codes: U1000.

2006 Chevrolet Cobalt LT 2.2L MIL Lamp onVIN: 1G1AL55F16Well I wasnt able to keep this one and dive any deeper into this one. But I did recieve some good advice. I have TSB which I have included. However my filler neck is in great shape and as I said mine held pressure and vacuum great so that wasnt my problem. Sor... Trouble codes: P0455, P0440.